One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,11)(8,12)(9,10)(13,14,19,23)(15,20,25,34)(16,27,30,41)(17,22,18,32)(21,28,37,29)(24,38,39,44)(26,35,31,36)(33,42,43,40)(1,2)(3,4)(6,10)(11,12)(13,15,19,25)(14,20,23,34)(16,24,30,39)(17,31,18,26)(21,33,37,43)(22,36,32,35)(27,38,41,44)(28,42,29,40)(2,4)(5,7,9,8)(6,11,10,12)(13,16,18,29,19,30,17,28)(14,21,22,27,23,37,32,41)(15,24,26,40,25,39,31,42)(20,33,36,38,34,43,35,44)(1,2)(3,4)(5,8,9,7)(6,12,10,11)(15,25)(20,34)(24,39)(26,31)(33,43)(35,36)(38,44)(40,42)(2,4)(13,17,19,18)(14,22,23,32)(15,26,25,31)(16,28,30,29)(20,35,34,36)(21,27,37,41)(24,40,39,42)(33,44,43,38)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.